assistant: Add missing `lints.workspace` (#12253)

This PR adds the missing `lints.workspace` setting to the `assistant`
crate's `Cargo.toml`.

Release Notes:

- N/A

Marshall Bowers committed 2y ago

08a3d3a0c274dda4d59ede34d8672fa60fe49d6e

Parent: 8040e43

Committed by GitHub <noreply@github.com> on 5/24/2024, 5:14:27 PM